Many will be making their way back home from the long holiday weekend. Just what can travelers expect for their work commutes Monday morning? NBC’s Kristen Dahlgren reports.

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>>as a lot of americans began making their way home from the long holiday weekend. for more on its impact and the back to work travel picture, we're joined by kristin dahlgren.

>> reporter: good evening. this is one of the busiest travel days of the year. some 14 million americans traveling today. many of them by train. this is
metro northhudson river
line. it goes down the
hudson river
into
grand central station
. up to 50,000 people per day take this line. it was shut down all day today. it will continue to be suspended tomorrow when so many people make that commute back. there will be another lines available but the governor said, sperkt this to be a very difficult commute them won't be able to reopen the tracks and get to repairing them until the ntsb investigation is completed. so it could be a tough commute for quite some time here. one thing to note. is that amtrak travels down the
hudson river
. those are on separate tracks. we saw those trains resuming their service. people traveling between new york and albany, not expected to be affected.